I'm trying to set up the internet access on the computer in our parish's hispanic center, and I need to type the @ symbol. The computer there has a spanish keyboard.

On an english keyboard, the @ symbol is made by pressing shift + 2. On the spanish keyboard, this keystroke produces the " symbol. This is correct according to the keyboard, as the " symbol appears above the 2 on this key. The @ symbol is also on this key, though, to the right of the 2.

I've tried pressing every modifier keystroke I could think of in combination with 2, but nothing I've tried produces the @ symbol. Surely someone here must know the secret?